AIPGE 2005 Dental 10

91. Distribution of blood flow is mainly regulated by the -

1. Arteries.
2. Arterioles.
3. Capillaries.
4. Venules.

92. In which of the following a reduction in arterial oxygen tension occurs?

1. Anaemia.
2. CO poisoning.
3. Moderate exercice.
4. Hypoventilation.

93. A 25 year old female presents with 2 year history of repetitive, irresistible thoughts of contamination with dirt associated with repetitive hand washing. She reports these thoughts to be her own and distressing; but is not able to overcome them along with medications. She is most likely to benefit from which of the following therapies.

1. Exposure and response prevention.
2. Systematic desensitization.
3. Assertiveness training.
4. Sensate focusing.

94. Dry mouth during antidepressant therapy is caused blockade of -

1. Muscarinic acetylcholine receptors.
2. Serotonergic receptors.
3. Dopaminergic receptors.
4. GABA receptors.

95. In which one of the following conditions the Sialography is contraindicated?

1. Ductal calculus.
2. Chronic parotitis.
3. Acute parotitis.
4. Recurrent sialadenitis.

96. The most common site of leak in CSF Rhinorrhoea is -

1. Sphenoid sinus.
2. Frontal sinus.
3. Cribriform plate.
4. Tegmen tympani.

97. The technique employed in radiotheraphy to counteract the effect of tumour motion due to breathing is known as -

1. Arc technique.
2. Modulation.
3. Gating.
4. Shunting.

98. Gamma camera in nuclear medicine is used
for -

1. Organ imaging.
2. Measuring the radioactivity.
3. Monitoring the surface contamination.
4. RIA.

99. Type I hypersensitivity is mediated by which of the following immunoglobulins?

1. IgA.
2. IgG.
3. IgM.
4. IgE.

100. Lumbar sympathectomy is of value in the management of -

1. Intermittent claudication.
2. Distal ischaemia affecting the skin of the toes.
3. Arteriovenuous Fistula.
4. Back pain.